CN112405656A - Preparation method of polyurethane sponge - Google Patents

Preparation method of polyurethane sponge Download PDF

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Publication number
CN112405656A
CN112405656A CN202011417796.2A CN202011417796A CN112405656A CN 112405656 A CN112405656 A CN 112405656A CN 202011417796 A CN202011417796 A CN 202011417796A CN 112405656 A CN112405656 A CN 112405656A
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CN
China
Prior art keywords
driving
polyurethane sponge
conveying
shaped sliding
cutting
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202011417796.2A
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Chinese (zh)
Inventor
卞敬培
倪淑君
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Hefei Rongzhu Information Technology Co ltd
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Hefei Rongzhu Information Technology Co ltd
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Priority to CN202011417796.2A priority Critical patent/CN112405656A/en
Publication of CN112405656A publication Critical patent/CN112405656A/en
Withdrawn legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/04—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member
    • B26D1/06—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates
    • B26D1/10—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates in, or substantially in, a direction parallel to the cutting edge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/0006—Cutting members therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/04—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member
    • B26D1/06—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates
    • B26D1/10—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates in, or substantially in, a direction parallel to the cutting edge
    • B26D1/11—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates in, or substantially in, a direction parallel to the cutting edge with a plurality of cutting members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
    • B26D7/2614—Means for mounting the cutting member
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
    • B26D7/2628—Means for adjusting the position of the cutting member
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/0006—Cutting members therefor
    • B26D2001/006—Cutting members therefor the cutting blade having a special shape, e.g. a special outline, serrations

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Nonmetal Cutting Devices (AREA)

Abstract

The invention relates to a preparation method of polyurethane sponge, which adopts the following preparation equipment, wherein the preparation equipment of the polyurethane sponge comprises a conveying device, a mounting frame, a transition bearing block, a transverse cutting device, a longitudinal cutting device and a material frame. The preparation method of the polyurethane sponge by adopting the polyurethane sponge preparation equipment comprises the following steps: s1, conveying polyurethane sponge; s2, transversely cutting the polyurethane sponge; s3, longitudinally cutting the polyurethane sponge; and S4, collecting polyurethane sponge. The polyurethane sponge cutting machine can increase the specification and variety range of polyurethane sponge cutting, improves product diversity, is smooth in cutting polyurethane sponge, reduces dust and pollution, can ensure the smoothness of a cutting surface, and improves product quality.

Description

Preparation method of polyurethane sponge
Technical Field
The invention relates to the technical field of polyurethane sponge, in particular to a preparation method of polyurethane sponge.
Background
Polyurethane sponge refers to low-density sponge made of high polymer materials such as polyurethane, which has the advantages of good impact resistance, heat insulation, chemical resistance, good suction performance and the like, is commonly used for manufacturing cushions of beds, sofas and the like, vehicle seats, heat insulation boards, buffering sponge blocks and other articles, and is required to be cut in the production process of products made of the polyurethane sponge. The sponge cutting machine is mainly used for cutting materials such as sponge into two-dimensional shapes, namely, the foam materials are placed on the workbench, and the cutting of the sponge is realized by controlling the movement of the workbench on a horizontal plane and a vertical plane and the reciprocating motion of the wire knife.
However, the existing cutting equipment used for preparing the polyurethane sponge has the following problems: firstly, the specification of polyurethane cutting preparation is single, and the requirement of product diversification cannot be met; secondly, a common cutting tool for cutting the polyurethane sponge cannot avoid generating a large amount of dust during cutting, and has great pollution to the environment; and thirdly, the two ends of the cutting tool are not tensioned during the common cutting of the polyurethane sponge, and the cutting tool can deviate to enable the cutting surface to incline, so that the product quality is influenced.
Disclosure of Invention
In order to solve the above problems, the present invention provides a method for preparing a polyurethane sponge, which can solve the above-mentioned problems.
In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose: the utility model provides a preparation method of polyurethane sponge, this preparation method of polyurethane sponge adopts following preparation equipment, and this preparation equipment of polyurethane sponge includes conveyor, mounting bracket, excessive bearing block, transverse cutting device, vertical cutting device and material frame, conveyor's right side symmetry is provided with the mounting bracket, and excessive bearing block sets up between the mounting bracket, and transverse cutting device sets up the left side in the mounting bracket upper end, and vertical cutting device sets up the right side in the mounting bracket upper end, and the material frame sets up on the mounting bracket right side, wherein:
the transverse cutting device comprises a mounting seat, a reciprocating driving mechanism, mounting rods, saw frames and a first cutting knife, wherein the reciprocating driving mechanism is mounted on the left side of the upper end of the mounting seat through the mounting seat, the upper ends and the lower ends of the front reciprocating driving mechanism and the rear reciprocating driving mechanism are respectively connected through one mounting rod, the saw frames are linearly and uniformly mounted on the mounting rods in a detachable mode, and the saw frames are connected through the first cutting knife;
the reciprocating driving mechanism comprises a first driving box, a first reciprocating sliding rod, a driven frame, a driving slider, a first driving motor, a first driving disk, a first T-shaped sliding groove, a first T-shaped sliding block and a first screw, wherein the first driving box is arranged on the left side of the upper end of the mounting frame, the first driving box is of a hollow box type structure, the first reciprocating sliding rod is arranged on the upper side and the lower side of the first driving box in a sliding manner, one end of the two first reciprocating sliding rods in the first driving box is connected through the driven frame, the driving slider is arranged in the driven frame in a sliding manner, the first driving motor is arranged on the front side wall of the first driving box, the output shaft of the first driving motor penetrates through the side wall of the first driving box and enters the one end of the first driving box to be provided with the first driving disk, one side of the first driving disk, and the first T-shaped sliding groove is formed in the radius direction of the first driving, a first T-shaped sliding block is arranged in the first T-shaped sliding groove in a sliding mode, a first screw is screwed on the outer side of the first driving disc, one end, close to the circle center of the first driving disc, of the first screw is arranged in the first T-shaped sliding groove and connected with the first T-shaped sliding block in a rotating fit mode, and the first T-shaped sliding block is connected with the driving sliding block in a rotating fit mode through a rotating shaft;
the longitudinal cutting device comprises a sliding frame, a second driving box, an electric push rod, a second driving motor, a second driving disc, a second T-shaped sliding groove, a second T-shaped sliding block, a second screw, a rotating rod, a connecting rod, a second reciprocating sliding rod and a second cutting knife, wherein the sliding frame is arranged on the left side of the upper end of the mounting frame, the second driving box is arranged in the sliding frame in a sliding mode, the second driving box is of a hollow box type structure, the electric push rod is arranged at the upper end of the sliding frame, a telescopic rod of the electric push rod penetrates through one end of the sliding frame to be connected with the second driving box, the second driving motor is arranged at the lower end of the second driving box, an output shaft of the second driving motor penetrates through the lower side wall of the second driving box to enter one end of the second driving box to be provided with the second driving disc, the second driving disc is far away from one side of the second, a second T-shaped sliding block is arranged in the second T-shaped sliding groove in a sliding mode, a second screw is screwed on the outer side of the second driving disc, one end, close to the circle center of the second driving disc, of the second screw is connected with the second T-shaped sliding block in a rotating fit mode in the second T-shaped sliding groove, a rotating rod is mounted on the second T-shaped sliding block, one end of a connecting rod is connected to the rotating rod in a rotating fit mode, a second reciprocating sliding rod is arranged on the rear side wall of the second driving box in a sliding mode, one end, extending into the second driving box, of the second reciprocating sliding rod is hinged to the other end of the connecting rod, and a second cutting knife is mounted between the second reciprocating sliding rods;
the preparation method of the polyurethane sponge by adopting the polyurethane sponge preparation equipment comprises the following steps:
s1, conveying polyurethane sponge: the polyurethane sponge is continuously conveyed to the right side through a conveying device;
s2, transversely cutting the polyurethane sponge: when the polyurethane sponge is conveyed to the right side by the conveying device, the polyurethane sponge is transversely cut by the transverse cutting device, so that the polyurethane sponge is cut into strips;
s3, longitudinally cutting the polyurethane sponge: the polyurethane sponge cut into strips passes through a longitudinal cutting device, the conveying device stops working when conveying the polyurethane sponge for a certain distance, and the longitudinal cutting device moves downwards through a second cutting knife to cut the polyurethane sponge into small blocks;
s4, collecting polyurethane sponge: the polyurethane sponge cut into small pieces falls into a material frame and is collected.
As a preferable technical scheme of the invention, the conveying device comprises an installation platform, a guide plate, a first conveying roller, a first conveying belt, a first conveying motor, a second conveying roller, a second conveying belt and a second conveying motor, wherein the guide plate is arranged on the front side and the rear side of the upper end surface of the installation platform, the first conveying roller is linearly and uniformly arranged on the lower side between the left sides of the guide plates in a rotating fit manner, the first conveying roller is connected with the first conveying belt, the first conveying motor is arranged on the guide plate on the front side of the installation platform, the output shaft of the first conveying motor is connected with the roller shaft of the first conveying roller on the leftmost side, the second conveying roller is linearly and uniformly arranged on the upper side and the lower side between the guide plates on the left side of the first conveying roller in a rotating fit manner, the second conveying rollers on the upper side and the lower side of the guide plates are respectively connected with the second conveying belt, the, and the output shaft of No. two conveying motor all is connected with the roller of No. two conveying rollers of leftmost side.
As a preferred technical scheme of the invention, the cutting edge of the first cutting knife is of a saw-toothed structure, and the second cutting knife is of the same structure as the first cutting knife.
As a preferred technical scheme of the invention, an abdicating groove is formed in the upper end face of the transition bearing block right below the corresponding second cutting knife.
As a preferable technical scheme of the invention, the surfaces of the first conveying belt and the second conveying belt are rough frosted surfaces.
As a preferred technical scheme of the invention, the first conveying motor, the second conveying motor, the first driving motor and the second driving motor are all synchronous motors.
The invention has the beneficial effects that:
1. the invention can solve the following problems of the existing cutting equipment used for preparing the polyurethane sponge: firstly, the specification of polyurethane cutting preparation is single, and the requirement of product diversification cannot be met; secondly, a common cutting tool for cutting the polyurethane sponge cannot avoid generating a large amount of dust during cutting, and has great pollution to the environment; and thirdly, the two ends of the cutting tool are not tensioned during the common cutting of the polyurethane sponge, and the cutting tool can deviate to enable the cutting surface to incline, so that the product quality is influenced. The polyurethane sponge cutting machine can increase the specification and variety range of polyurethane sponge cutting, improves product diversity, is smooth in cutting polyurethane sponge, reduces dust and pollution, can ensure the smoothness of a cutting surface, and improves product quality.
2. The transverse cutting device and the longitudinal cutting device designed by the invention can realize the control of the reciprocating motion amplitude of the first cutting knife and the second cutting knife by screwing the first screw and the second screw, thereby being suitable for more density types of polyurethane sponge.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a flow chart of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic structural view of the transverse cutting apparatus of the present invention;
FIG. 4 is a schematic structural view of the reciprocating drive mechanism of the present invention;
FIG. 5 is a schematic view of the mounting structure of the driving slider, the driving disk, the T-shaped sliding slot, the T-shaped sliding block and the screw according to the present invention;
fig. 6 is a schematic structural diagram of the longitudinal cutting device of the present invention.
FIG. 7 is a schematic view of the mounting structure of the second driving box, the second driving motor, the second driving disk, the second T-shaped sliding slot, the second T-shaped sliding block, the second screw, the rotating rod, the connecting rod and the second reciprocating sliding rod of the present invention.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 1 to 7, a preparation method of polyurethane sponge adopts the following preparation equipment, the preparation equipment of polyurethane sponge comprises a conveying device 1, a mounting rack 2, an excessive bearing block 3, a transverse cutting device 4, a longitudinal cutting device 5 and a material frame 6, the mounting rack 2 is symmetrically arranged on the right side of the conveying device 1, the excessive bearing block 3 is arranged between the mounting racks 2, the transverse cutting device 4 is arranged on the left side of the upper end of the mounting rack 2, the longitudinal cutting device 5 is arranged on the right side of the upper end of the mounting rack 2, and the material frame 6 is arranged on the right side of the mounting rack 2, wherein:
the conveying device 1 comprises an installation platform 11, a guide plate 12, a first conveying roller 13, a first conveying belt 14, a first conveying motor 15, a second conveying roller 16, a second conveying belt 17 and a second conveying motor 18, wherein the guide plates 12 are arranged on the front side and the rear side of the upper end surface of the installation platform 11, the first conveying roller 13 is uniformly arranged on the lower side between the left sides of the guide plates 12 in a linear matching mode, the first conveying roller 13 is connected through the first conveying belt 14, the first conveying motor 15 is arranged on the guide plate 12 on the front side of the installation platform 11, an output shaft of the first conveying motor 15 is connected with a roller shaft of the first conveying roller 13 on the leftmost side, the second conveying roller 16 is uniformly arranged on the upper side and the lower side between the guide plates 12 on the left side of the first conveying roller 13 in a linear matching mode, the second conveying rollers 16 on the upper side and the lower side of the guide plate 12, the second conveying motor 18 is installed on the guide plate 12 on the front side of the installation table 11, the output shafts of the second conveying motor 18 are connected with the roller shafts of the second conveying rollers 16 on the leftmost side, and the first conveying belt 14 and the second conveying belt 17 are provided with rough frosted surfaces so as to increase friction force. When the device works, polyurethane sponge is arranged on the first conveying belt 14, the first conveying motor 15 works, the output shaft of the first conveying motor 15 rotates to drive the first conveying roller 13 to rotate, the first conveying roller 13 rotates to drive the upper surface of the first conveying belt 14 to continuously transmit to the right side, the second conveying motor 18 works, the output shaft of the second conveying motor 18 rotates to drive the second conveying roller 16 to rotate, the second conveying roller 16 rotates to drive the opposite surfaces of the two second conveying belts 17 to continuously transmit to the right side, the first conveying motor 15 and the second conveying motor 18 synchronously rotate, because the friction force on the surface of the first conveyor belt 14 drives the polyurethane sponge to move rightwards, when the polyurethane sponge moves to the second conveyor belt 17, the polyurethane sponge is slightly compressed, so that the friction force between the polyurethane sponge and the second conveying belt 17 is increased, and the polyurethane sponge can be prevented from stopping moving to the right due to excessive resistance when the polyurethane sponge is used for cutting the box.
The transverse cutting device 4 comprises an installation seat 41, a reciprocating driving mechanism 42, an installation rod 43, a saw frame 44 and a first cutting knife 45, wherein the reciprocating driving mechanism 42 is installed on the left side of the upper end of the installation frame 2 through the installation seat 41, the upper ends and the lower ends of the front reciprocating driving mechanism 42 and the rear reciprocating driving mechanism 42 are respectively connected through the installation rod 43, the saw frame 44 is linearly and uniformly installed on the installation rod 43 in a detachable mode, and the saw frame 44 is connected through the first cutting knife 45. During specific work, the cutting width of the polyurethane sponge is controlled by adjusting the number of the saw frames 44 on the mounting rod and the distance between the saw frames 44, so that the preparation specification range of the equipment is improved.
The reciprocating driving mechanism 42 comprises a first driving box 421, a first reciprocating sliding rod 422, a driven frame 423, a driving slider 424, a first driving motor 425, a first driving disc 426, a first T-shaped sliding groove 427, a first T-shaped sliding block 428 and a screw 429, wherein the first driving box 421 is installed on the left side of the upper end of the installation frame 2, the first driving box 421 is of a hollow box type structure, the first reciprocating sliding rod 422 is slidably arranged on the upper side and the lower side of the first driving box 421, one end of the two first reciprocating sliding rods 422 in the first driving box 421 is connected through the driven frame 423, the driving slider 424 is slidably arranged in the driven frame 423, the first driving motor 425 is installed on the front side wall of the first driving box 421, an output shaft of the first driving motor 425 penetrates through the side wall of the first driving box 421 and enters one end of the first driving box 421 to be provided with the first driving disc 426, and the first driving disc 426 is arranged on one side, away from the first driving motor 425, and is provided with the first T-shaped sliding rod 426 in the direction The first T-shaped sliding block 428 is arranged in the groove 427 and in the first T-shaped sliding groove 427 in a sliding mode, a first screw 429 is screwed outside the first driving disc 426, one end, close to the circle center of the first driving disc 426, of the first screw 429 is arranged in the first T-shaped sliding groove 427 and connected with the first T-shaped sliding block 428 in a rotating fit mode, and the first T-shaped sliding block 428 is connected with the driving slider 424 in a rotating fit mode through a rotating shaft. When the polyurethane sponge moves rightwards to be in contact with the first cutting knife 45, the first driving motor 425 works, an output shaft of the first driving motor 425 rotates to drive the first driving disc 426 to rotate, the first T-shaped sliding block 428 rotates around the center of the first driving disc 426, the first T-shaped sliding block 428 drives the driving sliding block 424 to slide in a left-right reciprocating mode in the driven frame 423 through a rotating shaft when rotating around the center of the first driving disc 426, the first T-shaped sliding block 428 reciprocates in the upper-lower directions when rotating around the center of the first driving disc 426, so that the first reciprocating sliding rod 422 is driven by the driven frame 423 to slide in the upper-lower direction of the first driving box 421 in a reciprocating mode, the first reciprocating sliding rod 422 drives the mounting rod 43 to reciprocate up and down synchronously, the first cutting knife 45 is driven to reciprocate up and down, the polyurethane sponge which moves rightwards continuously is continuously cut by the cutting knife which reciprocates up and down after being in contact with the first cutting knife 45, the polyurethane sponge was cut into strips.
In order to adapt to polyurethane sponges of different density types, a first screw 429 is driven to move to one side, close to the center of a first driving disc 426, of a first T-shaped sliding groove 427 through screw thread transmission by screwing a first screw 429, a first T-shaped sliding block 428 is driven to move to one side, close to the center of the first driving disc 426, of the first T-shaped sliding groove 427, the rotating radius of the first T-shaped sliding block 428 is reduced, the amplitude of reciprocating sliding of the first T-shaped sliding block 428 on the upper side and the lower side of a first driving box 421 through a driven frame 423 driven by the first T-shaped sliding block 428 is reduced, the amplitude of reciprocating movement of the first cutting knife 45 up and down is reduced, the reverse screwing of the first screw 429 opposite to the above step can increase the amplitude of reciprocating movement of the first cutting knife 45 up and down, and the amplitude of reciprocating movement of the first cutting knife 45 is adjusted according to the density of the polyurethane sponges, a cutting knife 45 up-and-down motion's range is applicable to the polyurethane sponge of higher density when great, is applicable to the polyurethane sponge of lower density when a cutting knife 45 up-and-down motion's range is less to guarantee polyurethane sponge cutting efficiency that can be better.
The longitudinal cutting device 5 comprises a sliding frame 51, a second driving box 52, an electric push rod 53, a second driving motor 54, a second driving disc 55, a second T-shaped sliding groove 56, a second T-shaped sliding block 57, a second screw 58, a rotating rod 59, a connecting rod 510, a second reciprocating sliding rod 511 and a second cutting knife 512, wherein the sliding frame 51 is installed on the left side of the upper end of the mounting frame 2, the second driving box 52 is arranged in the sliding frame 51 in a sliding mode, the second driving box 52 is of a hollow box type structure, the electric push rod 53 is installed at the upper end of the sliding frame 51, an expansion rod of the electric push rod 53 penetrates through one end of the sliding frame 51 to be connected with the second driving box 52, the second driving motor 54 is installed at the lower end of the second driving box 52, an output shaft of the second driving motor 54 penetrates through the lower side wall of the second driving box 52 to enter one end of the second driving box 52 to be provided with the second driving disc 55, and the second driving disc 55 is far away from one side of the The movable groove 56, a second T-shaped sliding block 57 is arranged in the second T-shaped sliding groove 56 in a sliding mode, a second screw 58 is screwed on the outer side of the second driving disc 55, one end, close to the circle center of the second driving disc 55, of the second screw 58 is connected with the second T-shaped sliding block 57 in a rotating fit mode in the second T-shaped sliding groove 56, a rotating rod 59 is installed on the second T-shaped sliding block 57, one end of a connecting rod 510 is connected to the rotating rod 59 in a rotating fit mode, a second reciprocating sliding rod 511 is arranged on the rear side wall of the second driving box 52 in a sliding mode, one end, extending into the second driving box 52, of the second reciprocating sliding rod 511 is hinged to the other end of the connecting rod 510, a second cutting knife 512 is installed between the second reciprocating sliding rods 511, and a yielding groove 31 is formed in the upper end face of the excessive bearing block 3, corresponding to the. When the polyurethane sponge works, the polyurethane sponge cut into strips moves to the excessive supporting block 3 and moves rightwards for a certain distance under the second cutting knife 512, the first conveying motor 15 and the second conveying motor 18 stop working simultaneously, the polyurethane sponge stops moving rightwards, the second driving motor 54 works at the moment, the output shaft of the second driving motor 54 rotates to drive the second driving disc 55 to rotate, so that the second T-shaped sliding block 57 rotates around the center of the second driving disc 55, the rotating rod 59 rotates around the center of the second driving disc 55 along with the second T-shaped sliding block 57 and drives the second reciprocating sliding rod 511 to slide back and forth through the connecting rod 510, when the second reciprocating sliding rod 511 on the front side slides out, the second reciprocating sliding rod 511 on the rear side is matched and the cutting knife is retracted back and the tensioning degree and stability of the second reciprocating sliding rod 512 are driven by the two second reciprocating sliding rods 511 to reciprocate back and forth are ensured, electric putter 53 work, electric putter 53's telescopic link stretches out and drives No. two drive case 52 downstream to No. two cutting knives 512 downstream, and cut the polyurethane sponge, the polyurethane sponge is cut into the fritter and falls into in the material frame 6 when No. two cutting knives 512 cutting edges get into the groove of stepping down 31.
In order to adapt to polyurethane sponges of different density types, the second screw 58 is screwed to enable the second screw to move towards one side of the second T-shaped sliding groove 56 close to the center of the second driving disk 55 through thread transmission, the second T-shaped sliding block 57 is driven to enable the second T-shaped sliding block 57 to move towards one side close to the center of the second driving disk 55 in the second T-shaped sliding groove 56, the rotating radius of the second T-shaped sliding block 57 is reduced, the second T-shaped sliding block 57 can drive the second reciprocating sliding rod 511 to slide back and forth on the side wall of the second driving box 52 through the rotating rod 59 and the connecting rod 510, the amplitude of the up-and-down reciprocating motion of the second cutting knife 512 is reduced, the reverse screwing of the second screw 58 opposite to the above is capable of increasing the amplitude of the up-and-down reciprocating motion of the second cutting knife 512, and the amplitude of the back-and-forth reciprocating motion of the second cutting knife 512 is adjusted according, no. two cutting knife 512 is applicable to the polyurethane sponge of higher density when reciprocating motion's range is great, is applicable to the polyurethane sponge of lower density when cutting knife 45 reciprocating motion's range is less to assurance polyurethane sponge cutting efficiency that can be better.
The cutting edge of the first cutting knife 45 is of a saw-toothed structure, and the second cutting knife 512 is of the same structure as the first cutting knife 45;
the first conveying motor 15, the second conveying motor 18, the first driving motor 425 and the second driving motor 54 are all synchronous motors.
The first driving motor 425 and the second driving motor 54 can work at a higher rotating speed, so that the first cutting knife 45 and the second cutting knife 512 can reciprocate at a higher frequency, and the cutting efficiency can be effectively improved;
the two ends of the first cutting knife 45 and the second cutting knife 512 need to be tensioned, so that the first cutting knife 45 and the second cutting knife 512 are stable and difficult to deviate in working, and the cutting surfaces of the polyurethane sponge are tidy; the sawtooth structure of the first cutting knife 45 and the second cutting knife 512 can enable the cutting process to be smoother, so that dust is effectively reduced, and the cutting surface is further guaranteed to be neat and smooth.
The preparation method of the polyurethane sponge by adopting the polyurethane sponge preparation equipment comprises the following steps:
s1, conveying polyurethane sponge: the polyurethane sponge is continuously conveyed to the right side through the conveying device 1;
s2, transversely cutting the polyurethane sponge: when the polyurethane sponge is conveyed to the right side by the conveying device 1, the polyurethane sponge is transversely cut by the transverse cutting device 4, so that the polyurethane sponge is cut into strips;
s3, longitudinally cutting the polyurethane sponge: the polyurethane sponge cut into strips passes through the longitudinal cutting device 5, the conveying device 1 stops working when conveying the polyurethane sponge for a certain distance, and the longitudinal cutting device 5 moves downwards through the second cutting knife 512 to cut the polyurethane sponge into small blocks;
s4, collecting polyurethane sponge: the polyurethane sponge cut into small pieces falls into the material frame 6 to be collected.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. The preparation method of the polyurethane sponge adopts the following preparation equipment, and the preparation equipment of the polyurethane sponge comprises a conveying device (1), an installation frame (2), a transition support block (3), a transverse cutting device (4), a longitudinal cutting device (5) and a material frame (6), and is characterized in that: the right side symmetry of conveyor (1) is provided with mounting bracket (2), and excessive bearing block (3) set up between mounting bracket (2), and horizontal cutting device (4) set up in the left side of mounting bracket (2) upper end, and vertical cutting device (5) set up the right side in mounting bracket (2) upper end, and material frame (6) set up on mounting bracket (2) right side, wherein:
the transverse cutting device (4) comprises a mounting seat (41), a reciprocating driving mechanism (42), a mounting rod (43), a saw frame (44) and a first cutting knife (45), wherein the reciprocating driving mechanism (42) is mounted on the left side of the upper end of the mounting frame (2) through the mounting seat (41), the upper ends and the lower ends of the front reciprocating driving mechanism and the rear reciprocating driving mechanism (42) are respectively connected through the mounting rod (43), the saw frame (44) is linearly and uniformly mounted on the mounting rod (43) in a detachable mode, and the saw frames (44) are connected through the first cutting knife (45);
the reciprocating driving mechanism (42) comprises a driving box (421), a reciprocating sliding rod (422), a driven frame (423), a driving sliding block (424), a driving motor (425), a driving disc (426), a T-shaped sliding groove (427), a T-shaped sliding block (428) and a screw (429), the driving box (421) is installed on the left side of the upper end of the mounting frame (2), the driving box (421) is of a hollow box type structure, the upper side and the lower side of the driving box (421) are provided with the reciprocating sliding rod (422) in a sliding mode, one end, in the driving box (421), of the two reciprocating sliding rods (422) is connected through the driven frame (423), the driving sliding block (424) is arranged in the driven frame (423) in a sliding mode, the driving motor (425) is installed on the front side wall of the driving box (421), an output shaft of the driving motor (425) penetrates through the side wall of the driving box (421) and enters the driving box (421) The first driving disc (426) is installed, one side, far away from the first driving motor (425), of the first driving disc (426) is provided with a first T-shaped sliding groove (427) in the radius direction of the first driving disc (426), a first T-shaped sliding block (428) is arranged in the first T-shaped sliding groove (427) in a sliding mode, a first screw (429) is connected to the outer side of the first driving disc (426) in a threaded mode, one end, close to the circle center of the first driving disc (426), of the first screw (429) is located in the first T-shaped sliding groove (427) and connected with the first T-shaped sliding block (428) in a rotating fit mode, and the first T-shaped sliding block (428) is connected with the driving slider (424) in a rotating fit mode through a rotating shaft;
the longitudinal cutting device (5) comprises a sliding frame (51), a second driving box (52), an electric push rod (53), a second driving motor (54), a second driving disc (55), a second T-shaped sliding groove (56), a second T-shaped sliding block (57), a second screw (58), a rotating rod (59), a connecting rod (510), a second reciprocating sliding rod (511) and a second cutting knife (512), wherein the sliding frame (51) is installed on the left side of the upper end of the mounting frame (2), the second driving box (52) is arranged in the sliding frame (51), the second driving box (52) is of a hollow box structure, the electric push rod (53) is installed at the upper end of the sliding frame (51), an expansion rod of the electric push rod (53) penetrates through one end of the sliding frame (51) to be connected with the second driving box (52), the second driving motor (54) is installed at the lower end of the second driving box (52), and an output shaft of the second driving motor (54) penetrates through the lower side wall of the second driving box (52) to enter the 52) A second driving disc (55) is installed at one end of the inner part of the second driving disc (55), a second T-shaped sliding groove (56) is formed in one side, far away from a second driving motor (54), of the second driving disc (55) in the radial direction of the second driving disc (55), a second T-shaped sliding block (57) is arranged in the second T-shaped sliding groove (56) in a sliding mode, a second screw (58) is screwed on the outer side of the second driving disc (55), one end, close to the circle center of the second driving disc (55), of the second screw (58) is connected with the second T-shaped sliding block (57) in a rotating fit mode in the second T-shaped sliding groove (56), a rotating rod (59) is installed on the second T-shaped sliding block (57), one end of a connecting rod (510) is connected to the rotating rod (59) in a rotating fit mode, a second reciprocating sliding rod (511) is arranged on the rear side wall of the second driving box (52) in a sliding mode, and the second reciprocating rod (511) extends into one end of the second driving, a second cutting knife (512) is arranged between the second reciprocating sliding rods (511);
the preparation method of the polyurethane sponge by adopting the polyurethane sponge preparation equipment comprises the following steps:
s1, conveying polyurethane sponge: the polyurethane sponge is continuously conveyed to the right side through the conveying device (1);
s2, transversely cutting the polyurethane sponge: when the polyurethane sponge is conveyed to the right side by the conveying device (1), the polyurethane sponge is transversely cut by the transverse cutting device (4) so that the polyurethane sponge is cut into strips;
s3, longitudinally cutting the polyurethane sponge: the polyurethane sponge cut into strips passes through a longitudinal cutting device (5), the conveying device (1) conveys the polyurethane sponge for a certain distance and stops working, and the longitudinal cutting device (5) moves downwards through a second cutting knife (512) to cut the polyurethane sponge into small blocks;
s4, collecting polyurethane sponge: the polyurethane sponge cut into small pieces falls into a material frame (6) and is collected.
2. The method for preparing a polyurethane sponge as claimed in claim 1, wherein: the conveying device (1) comprises a mounting table (11), guide plates (12), a first conveying roller (13), a first conveying belt (14), a first conveying motor (15), a second conveying roller (16), a second conveying belt (17) and a second conveying motor (18), wherein the guide plates (12) are arranged on the front side and the rear side of the upper end face of the mounting table (11), the first conveying roller (13) is linearly and uniformly arranged on the lower side between the left sides of the guide plates (12) in a rotating fit mode, the first conveying roller (13) is connected through the first conveying belt (14), the first conveying motor (15) is arranged on the guide plates (12) on the front side of the mounting table (11), the output shaft of the first conveying motor (15) is connected with the roller shaft of the first conveying roller (13) on the leftmost side, the second conveying roller (16) is linearly and uniformly arranged on the upper side and the lower side between the guide plates (12) on the left sides of the first conveying roller (13) in a rotating fit, no. two conveying rollers (16) on the upper side and the lower side of the guide plate (12) are connected through a second conveying belt (17) respectively, a second conveying motor (18) is installed on the guide plate (12) on the front side of the installation platform (11), and an output shaft of the second conveying motor (18) is connected with a roller shaft of the second conveying roller (16) on the leftmost side.
3. The method for preparing a polyurethane sponge as claimed in claim 1, wherein: the cutting edge of the first cutting knife (45) is of a saw-toothed structure, and the second cutting knife (512) is identical to the first cutting knife (45) in structure.
4. The method for preparing a polyurethane sponge as claimed in claim 1, wherein: and a yielding groove (31) is formed in the upper end surface of the transition bearing block (3) under the position corresponding to the second cutting knife (512).
5. The method for preparing a polyurethane sponge as claimed in claim 2, wherein: the first conveying belt (14) and the second conveying belt (17) are provided with rough frosted surfaces.
6. The method for preparing a polyurethane sponge as claimed in claim 2, wherein: the first conveying motor (15), the second conveying motor (18), the first driving motor (425) and the second driving motor (54) are all synchronous motors.
CN202011417796.2A 2020-12-07 2020-12-07 Preparation method of polyurethane sponge Withdrawn CN112405656A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011417796.2A CN112405656A (en) 2020-12-07 2020-12-07 Preparation method of polyurethane sponge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011417796.2A CN112405656A (en) 2020-12-07 2020-12-07 Preparation method of polyurethane sponge

Publications (1)

Publication Number Publication Date
CN112405656A true CN112405656A (en) 2021-02-26

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011417796.2A Withdrawn CN112405656A (en) 2020-12-07 2020-12-07 Preparation method of polyurethane sponge

Country Status (1)

Country Link
CN (1) CN112405656A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115716288A (en) * 2022-11-21 2023-02-28 常州机电职业技术学院 Mechanical automatic cutting equipment
CN117340350A (en) * 2023-11-09 2024-01-05 马鞍山宏瑞金属制品有限公司 Leveling and cutting device for waste metal plates

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115716288A (en) * 2022-11-21 2023-02-28 常州机电职业技术学院 Mechanical automatic cutting equipment
CN115716288B (en) * 2022-11-21 2023-09-26 常州机电职业技术学院 A kind of mechanical automatic cutting equipment
CN117340350A (en) * 2023-11-09 2024-01-05 马鞍山宏瑞金属制品有限公司 Leveling and cutting device for waste metal plates

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